/**
 * $RCSfile$
 * $Revision: $
 * $Date: $
 *
 * Copyright 2003-2006 Jive Software.
 *
 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jivesoftware.smackx.provider;

import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.IQProvider;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smackx.packet.IBBExtensions;
import org.xmlpull.v1.XmlPullParser;

/**
 * 
 * Parses an IBB packet.
 * 
 * @author Alexander Wenckus
 */
public class IBBProviders {

    /**
     * Parses an open IBB packet.
     *
     * @author Alexander Wenckus
     *
     */
    public static class Open implements IQProvider {

        public IQ parseIQ(XmlPullParser parser) throws Exception {
            final String sid = parser.getAttributeValue("", "sid");
            final int blockSize = Integer.parseInt(parser.getAttributeValue("",
                    "block-size"));

            return new IBBExtensions.Open(sid, blockSize);
        }
    }

    /**
     * Parses a data IBB packet.
     *
     * @author Alexander Wenckus
     *
     */
    public static class Data implements PacketExtensionProvider {

        public PacketExtension parseExtension(XmlPullParser parser)
                throws Exception {
            final String sid = parser.getAttributeValue("", "sid");
            final long seq = Long.parseLong(parser.getAttributeValue("", "seq"));
            final String data = parser.nextText();

            return new IBBExtensions.Data(sid, seq, data);
        }
    }

    /**
     * Parses a close IBB packet.
     *
     * @author Alexander Wenckus
     *
     */
    public static class Close implements IQProvider {

        public IQ parseIQ(XmlPullParser parser) throws Exception {
            final String sid = parser.getAttributeValue("", "sid");

            System.out.println("IBBProviders$Close.parseIQ()");
            return new IBBExtensions.Close(sid);
        }
    }
}
